from head to foot
Encompassing one's entire body; from top to bottom. Typically refers to how one is dressed and groomed. This is a fancy event, so you need to look good from head to foot. Schedule a haircut and shine your shoes.
from ˌhead to ˈfoot/ˈtoe
all over your body; completely: She was dressed from head to foot in white.He was covered from head to foot in mud.